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Patent Searching and Data


Title:
LOCK DEVICE
Document Type and Number:
Japanese Patent JPH11223060
Kind Code:
A
Abstract:

To open and close a door by operation at a small angle of rotation in a lever for opening and closing the door, to handle a lock device easily even by the aged or a physically handicapped person particularly and to improve the safety of the lock device.

The lock device consists of a lever receiving member A having an operating cam 2, being composed of a rotary section rotated by a door knob and being used for opening and closing a door, a latch member D, in which a latch head section 12 is formed at the front end of a latch shaft 11 with a collar section 13, an intermediate cam B turned by the operating cam 2 for the lever receiving member A for opening and closing the door and a lever member C having an abutted section 7 abutted against the intermediate cam B and a pushing section 8b engaged with the collar section 13 of the latch member D. A contact point with the intermediate cam B is brought near to a rocking pivotal support section 9 in the lever member C at that time.


More Like This:
JPH05256058BATHROOM DOOR
JPH09209622TUBULAR TYPE LOCK
JPS59114382DOOR LOCK
Inventors:
NAGATA MASAHIRO
Application Number:
JP2765998A
Publication Date:
August 17, 1999
Filing Date:
February 09, 1998
Export Citation:
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Assignee:
SHIMODAIRA KK
International Classes:
E05C1/16; (IPC1-7): E05C1/16
Attorney, Agent or Firm:
Kunio Iwahori